Item Type: Development Board
Board Type: Uno
Chip Type: ATmega328P
Microcontroller: ATmega328 (SMD) – Interface CH340G
Operating Voltage (VDC): 5
Input Voltage (V): 7-12V
Input Voltage (limit) 6-20V
Analog I/O Pins 6
Digital I/O Pins 14 (of which 6 provide PWM output)
PWM Digital I/O Pins 6
DC Current for 3.3V Pin(mA)     50
DC Current per I/O Pin (mA) 40
Clock Speed 16 MHz
SRAM 2
EEPROM 1 KB (ATmega328)
Flash Memory: 32 KB
Power Supply Option DC Jack or USB
On Board LED   On/Off, L (PIN 13), TX, RX
Operating Temperature (°C):   -40 to 90
Dimensions (L x W x H) mm 75 x 54 x 12
Weight (g): 26
Shipping Weight              0.05 kg
Shipping Dimensions   10 × 6 × 4 cm
            				
Warranty:  
                           N/A
                        
             
            
            
               
                              Used during programming and when using the serial output of the USB port.